148439 divided by 51 
We're looking to find how many times 51 goes into 148439.

Step 1:
If we divide 1 by 51, we get 0 and a remainder of 1.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 1 after subtracting 0 from 1.
Append the next digit (4) from the dividend to 1 and continue with: 14 / 51

Step 2:
The number 51 fits into 14 0 times, leaving a remainder of 14.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 14 after subtracting 0 from 14.
Take the next digit (8) from the dividend and append it to 14, then repeat: 148 / 51

Step 3:
If we divide 148 by 51, we get 2 and a remainder of 46.
The number 2 becomes the next digit in our result. 
Result so far: 2.0
Deduct 102 from 148 and we're left with 46.
Fetch the next digit (4) from the dividend, attach it to 46 and continue: 464 / 51

Going ahead to step 4:
51 goes into 464 9 times with a remainder of 5.
The next digit of our result is 9. 
Result so far: 29.0
If we subtract 459 from 464, we get 5.
Include the next digit (3) from the dividend after 5, then repeat: 53 / 51

Advancing to step 5:
53 divided by 51 is 1 with a remainder of 2.
Put 1 as the next digit of the answer. 
Result so far: 291.0
If we take 51 away from 53, we end up with 2.
Include the next digit (9) from the dividend after 2, then repeat: 29 / 51

On to step 6:
51 goes into 29 0 times with a remainder of 29.
Record the quotient 0 as the next digit in the result. 
Result so far: 2910.0
If we take 0 away from 29, we end up with 29.
Since there are no more digits in the dividend, we add a zero to the remainder making it 290, and continue the process.

Advancing to step 7:
The number 51 fits into 290 5 times, leaving a remainder of 35.
Use 5 as the next digit of our solution. 
Result so far: 2910.5
If we take 255 away from 290, we end up with 35.
Since there are no more digits in the dividend, we add a zero to the remainder making it 350, and continue the process.

Moving on to step 8:
The number 51 fits into 350 6 times, leaving a remainder of 44.
Write down 6 as next digit of the result. 
Result so far: 2910.56
Deduct 306 from 350 and we're left with 44.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

On to step 9:
If we divide 440 by 51, we get 8 and a remainder of 32.
Record the quotient 8 as the next digit in the result. 
Result so far: 2910.568
Subtract 408 from 440 to get 32.
Since there are no more digits in the dividend, we add a zero to the remainder making it 320, and continue the process.

Advancing to step 10:
51 goes into 320 6 times with a remainder of 14.
The next digit of our result is 6. 
Result so far: 2910.5686
Subtracting 306 from 320 leaves us with 14.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

On to step 11:
The number 51 fits into 140 2 times, leaving a remainder of 38.
Write down 2 as next digit of the result. 
Result so far: 2910.56862
Subtract 102 from 140 to get 38.
Since there are no more digits in the dividend, we add a zero to the remainder making it 380, and continue the process.

Advancing to step 12:
51 can be fit into 380 7 times, resulting in a remainder of 23.
Write down 7 as next digit of the result. 
Result so far: 2910.568627
Subtract 357 from 380 to get 23.
Since there are no more digits in the dividend, we add a zero to the remainder making it 230, and continue the process.

Let's proceed to step 13:
51 can be fit into 230 4 times, resulting in a remainder of 26.
Write down 4 as next digit of the result. 
Result so far: 2910.5686274
If we take 204 away from 230, we end up with 26.
Since there are no more digits in the dividend, we add a zero to the remainder making it 260, and continue the process.

On to step 14:
51 goes into 260 5 times with a remainder of 5.
Write down 5 as next digit of the result. 
Result so far: 2910.56862745
Deduct 255 from 260 and we're left with 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Our division results in 2910.56862745 with a remaining 5e-09.